Analysis

  • max time kernel
    87s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 13:50

General

  • Target

    c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe

  • Size

    1.2MB

  • MD5

    37c143bd56ecfe511d90d06da76ade93

  • SHA1

    25078f86a10f251aad286ce81a7fcc72d3c28851

  • SHA256

    c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa

  • SHA512

    76bacf4078c5037520e65288973751e9d6ce9e05c96e3396f21e30cbec86b225d94e44e8d0df92d29e4b19aa8b9bf8dbcccef53d929903c21bd83414c200a4ac

  • SSDEEP

    24576:0mpkkZ7iYtU+wkxEbjw3I+g+qYsmj2BN:l6kZ7iYtEI3I+FWmj

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dka

Decoy

dollvador.com

aartigemsandjewellers.com

nbmiaojiang.com

thecharcuteriestop.com

fmldmlfdfmlfmdr.com

tikeok.com

onemoresysadmin.com

digistore-shop.com

chinahhf.com

petagonya.com

f22.info

siddhamedicineshop.com

vtiqb0.icu

sex-lesson.com

informationnelchamanique.com

bluewaterssportfishing.com

kmresults.com

jambokid.com

amplion.tech

thepaperstorw.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
    "C:\Users\Admin\AppData\Local\Temp\c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\beOxSyVXoI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp365D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1748
    • C:\Users\Admin\AppData\Local\Temp\c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe
      "C:\Users\Admin\AppData\Local\Temp\c411a390b1b6d2a1f0673c449aaffccc6dcc258b0a165d7e609ef163c4fb42fa.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp365D.tmp

    Filesize

    1KB

    MD5

    f7e988c6007343f590658c5b5ba275da

    SHA1

    b03ffee1903a8043fc20df8082f710dc27e36aeb

    SHA256

    a5a9eba58342c68ca212fb7ffe47e427e0fdf22a99af24e5a4627d3fedeb5b38

    SHA512

    7f563a376e686886be2eaa78cb8ab832324356af0c2fc334981985896f226fcf5a17bbe7c4e64e1640a3a1e590066799bc050827d1ca9e79b83c1801bdbfb295

  • memory/940-60-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/940-61-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/940-63-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/940-64-0x000000000041EB70-mapping.dmp

  • memory/940-65-0x00000000008D0000-0x0000000000BD3000-memory.dmp

    Filesize

    3.0MB

  • memory/1748-58-0x0000000000000000-mapping.dmp

  • memory/2036-54-0x0000000000E00000-0x0000000000F3C000-memory.dmp

    Filesize

    1.2MB

  • memory/2036-55-0x00000000762D1000-0x00000000762D3000-memory.dmp

    Filesize

    8KB

  • memory/2036-56-0x00000000008D0000-0x00000000008DA000-memory.dmp

    Filesize

    40KB

  • memory/2036-57-0x0000000000A70000-0x0000000000AD2000-memory.dmp

    Filesize

    392KB